Keyboard housing



FIG. 1 is a rear elevational view of a keyboard housing showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof the opposite side view is identical in appearance; and,

FIG. 6 is an enlarged top front and side perspective view thereof. 

The ornamental design for a keyboard housing, as shown and described. 